Finding the overall minimum, maximum of an arbitrary matrix in MATLAB and/or Octave.

It's one logical step from what's presented in the GNU Octave Manual, but for a given arbitrary n-dimensional matrix, to find the overall minimum or maximum value within the matrix, you simply recurse the min() or max() function as many times as there are dimensions. So for a 3-dimensional matrix, recurse function calls to min or man three times like this min(min(min(X))))


Example:
 

size(out)

ans = 3 32 32

     min(min(min(out)))

ans = -0.99914

    max(max(max(out)))

    ans = 1